Audit Engagement Tracking First
The 0.0% engagement rate and median of 0 likes and 0 comments across 30 analyzed videos should be audited against 16,371,868 total views and the reported 8.8:1 like/comment ratio.
Details
In YouTube Studio, verify that likes, comments, and engagement rate are being captured for all 30 videos, then track every new upload against the current 0.0% baseline.